. >>> the engines are revving today in baltimore. drivers will be putting the pedal to the metal for the grand prix in baltimore. drivers will race around a two-mile track hoping to capture the title. this great new race was almost cancelled as last year's promoters left the city with millions of dollars in unpaid bills. but a sports marketing firm took over the event and ensured this race will be better than last year's. so won't be dealing with slick pavement to make things dicey. >>> well, speaking of the roads coming up, why arlington plans to paint some lanes green. >>> and a special election that will >>> hi, everyone. welcome to news4 today. i'm angie goff. >> i'm erica gonzalez. september 2, 2012. it was pretty stormy last night in case i was the only one i heard it. it was really loud, it was really bright. quite a lightning show. and today looks like it could be the same. >> yeah, that's right. meteorologist kim martucci is on shower watch. >> hey, guys, yes. we'll give the showers until around the lunch hour for metro d.c.